HARKILA Ragnar Trousers - Mens - Jet Set / Shadow GreyHARKILA Ragnar Trousers Mens Jet Set Shadow Grey The Harkila Ragnar trousers are made from 96% nylon and 4% spandex, making them supple and stretchable. They do not have a membrane, but are DWR (Durable Water Repellent) treated. This makes the trousers dirt and water repellent because the water pearls up on the surface of the fabric and drips off or evaporates instead of soaking in. The trousers have ventilation zips on the back of the thighs and on